<div class="md-spinner-wrapper">
  <div class="md-inner">
    <div class="md-gap"></div>
    <div class="md-left">
      <div class="md-half-circle"></div>
    </div>
    <div class="md-right">
      <div class="md-half-circle"></div>
    </div>
  </div>
</div>
